Gasodor® S-Free by Symrise is the first DVGW-tested, sulfur-free odorant in the world setting completely new standards for the odorization of natural gas. Symrise is a global supplier of fragrances, flavorings, cosmetic base materials and substances, as well as functional ingredients for manufacturers of perfumes, cosmetics, food and beverages, the pharmaceutical industry and producers of nutritional supplements and pet food.